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31066342 = 2471671979
BaseRepresentation
bin111011010000…
…0100011100110
32011110100000021
41312200203212
530423110332
63025505354
7525026266
oct166404346
964410007
1031066342
111659966a
12a4a225a
136589468
1441a97a6
152ad9c97
hex1da08e6

31066342 has 16 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 15104008.

The previous prime is 31066289. The next prime is 31066363. The reversal of 31066342 is 24366013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14709 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 231066342 is an apocalyptic number.

31066342 is a deficient number, since it is larger than the sum of its proper divisors (16833818).

31066342 is a wasteful number, since it uses less digits than its factorization.

31066342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 31066342 is about 5573.7188662508. The cubic root of 31066342 is about 314.3619974807.

The spelling of 31066342 in words is "thirty-one million, sixty-six thousand, three hundred forty-two".

Divisors: 1 2 47 94 167 334 1979 3958 7849 15698 93013 186026 330493 660986 15533171 31066342